Chelsea House Montessori Preschool/kdgn (2026 Profile)

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About the School

Chelsea House Montessori Preschool/kdgn in Seattle, WA, offers Kindergarten–only programs with a total enrollment of 14 students in a large city setting.
Founded in 1985, this nonsectarian Montessori school is located in the Olympic Hills neighborhood and maintains a student–teacher ratio of 7:1.
The school employs two teachers, with 25 percent of students identifying as students of color, reflecting some racial and ethnic diversity.
Chelsea House Montessori is a member of the American Montessori Society and the National Association for the Education of Young Children.
Summer school programs are available, supporting year–round early childhood education within this Seattle Montessori preschool.

Quick Facts (2026)

School Type: Montessori School
Grades: Kindergarten
Enrollment: 14 students
Average class size: 18 students
Application Deadline: None / Rolling
Source: ✓Verified school update

School Facts

School Type

Montessori School

School Membership(s)School Assoc.

American Montessori Society (AMS)
Other Montessori association(s)
National Association for the Education of Young Children

Religious Affiliation

Nonsectarian

Grades Offered

Grades Kindergarten

Year Founded

1985

Summer School Offered

Yes

Summer Program Details

View Summer Program Details

School Calendar

View School Calendar

Student Body

Total Students

14 students

Student Body Type

Co-ed

% Students of Color

25%

State avg.: 32%

Academics & Faculty

Total Classroom Teachers

2 teachers

Student-Teacher Ratio

7:1

National avg.: 11:1

% Faculty w/Advanced Degree

Average Class Size

18 students

Tuition & Acceptance Rate

Admission Deadline

None / Rolling

Admissions Director

Jaisri Gangadharan

Admissions Associate

Jaisri Gangadharan

Application URL

Online Application

Extracurriculars

Total ExtracurricularsTotal Extra-curric.

2 extracurriculars

ExtracurricularsExtra-curric.

Club or Organization:

Spanish Language Program

Arts and Music Programs:

Music

School Notes

Chelsea House Montessori is a small school with a teacher-student ratio of 1:6. We leave the children with a curious mind and a love of learning. 90% of the children are able to read and do math (addition and subtraction) before they start kindergarten. We also teach Spanish and Music.

Source: Verified school update

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Frequently Asked Questions

What schools are Chelsea House Montessori Preschool/kdgn often compared to?

Chelsea House Montessori Preschool/kdgn is often viewed alongside schools like Discovery Montessori School by visitors of our site.

Does Chelsea House Montessori Preschool/kdgn offer a summer program?

Yes, Chelsea House Montessori Preschool/kdgn offers a summer program. Visit their summer school page for more information.

When is the application deadline for Chelsea House Montessori Preschool/kdgn?

The application deadline for Chelsea House Montessori Preschool/kdgn is rolling (applications are reviewed as they are received year-round).

In what neighborhood is Chelsea House Montessori Preschool/kdgn located?

Chelsea House Montessori Preschool/kdgn is located in the Olympic Hills neighborhood of Seattle, WA. There are 1 other private schools located in Olympic Hills.

School Reviews

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Did You Know?

The average private school tuition in Seattle, WA is $22,298 for elementary schools and $24,673 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Seattle, WA is 69% (read more about average acceptance rates across the country).